- All sections
- G - Physics
- G11B - Information storage based on relative movement between record carrier and transducer
- G11B 33/14 - Reducing influence of physical parameters, e.g. temperature change, moisture, dust
Patent holdings for IPC class G11B 33/14
Total number of patents in this class: 841
10-year publication summary
|
73
|
79
|
93
|
98
|
90
|
63
|
47
|
47
|
41
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JPMorgan Chase Bank, National Association | 10964 |
171 |
| Seagate Technology LLC | 4228 |
113 |
| Toshiba Corporation | 12017 |
42 |
| International Business Machines Corporation | 60644 |
35 |
| Toshiba Electronic Devices & Storage Corporation | 1602 |
25 |
| Dell Products L.P. | 11144 |
23 |
| Donaldson Company, Inc. | 1513 |
18 |
| Western Digital Technologies, Inc. | 1043 |
17 |
| Hitachi, Ltd. | 16452 |
16 |
| Amazon Technologies, Inc. | 24422 |
16 |
| Nidec Corporation | 2579 |
12 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Panasonic Corporation | 20786 |
11 |
| EMC IP Holding Company LLC | 11079 |
10 |
| Pioneer Corporation | 4843 |
9 |
| Fujitsu Limited | 19265 |
7 |
| FUJIFILM Corporation | 27102 |
7 |
| Quanta Computer Inc. | 1284 |
7 |
| Sony Interactive Entertainment Inc. | 5162 |
7 |
| Sony Corporation | 32931 |
6 |
| Other owners | 278 |